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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Leonardo.ai
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Udio
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Rows
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Aider
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TaglineGamer + creator image gen with model fine-tuning built in.Suno's main rival. Often better on instrumental nuance.Spreadsheets with AI + live integrations baked in.Terminal-based AI pair programmer. Git-aware, model-flexible.
CategoryImageAudioDataCoding
PricingFree + $12-$60/moFree + $10-$30/moFree + $19-$89/user/moFree (open source) + whatever API you use
Best forIndie game devs, illustrators, anyone training custom style models.Musicians comparing AI outputs. Anyone who didn't click with Suno.Ops teams, marketers, anyone building dashboards from multiple sources.Developers who want open-source tooling with full control.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
Kai's verdictA-tier for creators training custom looks. B-tier for general use.A-tier. Genuinely different vibe from Suno — worth trying both for a month.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.
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